Content-based indexing technique using relative geometry features

Tai-Yuan Hou; Arding Hsu; Peiya Liu; Ming-Yee Chiu

doi:10.1117/12.58493

1 April 1992 Content-based indexing technique using relative geometry features

Tai-Yuan Hou, Arding Hsu, Peiya Liu, Ming-Yee Chiu

Proceedings Volume 1662, Image Storage and Retrieval Systems; (1992) https://doi.org/10.1117/12.58493
Event: SPIE/IS&T 1992 Symposium on Electronic Imaging: Science and Technology, 1992, San Jose, CA, United States

Abstract

Content-based image indexing is becoming increasingly important in today''s imaging applications. Although several techniques have been developed, most have limited capabilities in dealing with relative spatial relations for multiple object images. We believe that multiple object image indexing is important for content-based indexing in many application domains. We propose a content-based indexing technique which is based on the theory of weighted center-of-mass. The index of an image is constructed by incorporating the center-of-mass of each individual object to calculate the center-of-mass of the overall image. This multiple object indexing scheme is further enhanced by incorporating existing indexing structure construction techniques, such as Jagadish''s multidimensional point representation, and Grosky''s feature index tree. An image with multiple objects can be retrieved by specifying the spatial relations among image objects, such as relative position, relative distance, and direction. The retrieval matching is based on a relative similarity measure. Furthermore, due to certain invariant properties of center-of-mass, different notions of image similarity with respect to scaling, translation, rotation, and mirrored image can be easily supported. The advantages of the proposed method are illustrated with an example of retrieving magnetic resonance images of patients'' chests within the medical image domain. The relationships to certain other indexing techniques are also addressed.

Citation Download Citation

Tai-Yuan Hou, Arding Hsu, Peiya Liu, and Ming-Yee Chiu "Content-based indexing technique using relative geometry features", Proc. SPIE 1662, Image Storage and Retrieval Systems, (1 April 1992); https://doi.org/10.1117/12.58493

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